Jailbreak

Cydia

Well just as the title suggest, over at AT&Ts website they have listed the set of prices for the iphone.

New customers and those eligible for an upgrade will be able to purchase the phone for $199 (8GB) or $299 (16GB), while "early upgraders" will have to shell out $399 or $499, all with a two year contract and $18 upgrade fee. They also mention a "no commitment" deal later on in the year of $599 and $699 respectively.